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Oval|Natural|GIA

1.23ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 3555616415

Certificate GIA 3555616415

Diamond specifications and retailer prices

From $4,695 SGD
As of November 6, 2026
Save $1,970 SGD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,664 SGD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555616415. Listed at 4 retailers as of November 6, 2026, with prices from $4,695 to $6,664, a $1,970 spread on the same certified stone. 77 Diamonds lists it at $6,664. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle40.77°
OriginNatural
Grading LabGIA
CertificateGIA 3555616415
Dimensions8.20 × 5.98 × 3.82 mm
L/W Ratio1.37
Culet sizeNone
Top View
8.20 mm5.98 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555616415
Side View
Table 60.0%Crown 39.8°Girdle: MED-THKPavilion 40.77°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,664 SGD|Low: $2,896 SGD|High: $7,690 SGD|Avg: $5,180 SGD|-0.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 3$2,896 SGD
Retailer 8$4,045 SGD
Retailer 12$4,234 SGD
Retailer 9$4,242 SGD
Retailer 4$4,695 SGD
Retailer 14$4,728 SGD
Retailer 11$5,107 SGD
Retailer 7$5,219 SGD
Retailer 6$5,571 SGD
Retailer 13$5,648 SGD
Retailer 2$6,422 SGD
Retailer 10$6,490 SGD
77 Diamonds$6,664 SGD
Retailer 5$7,690 SGD

33 data points across 14 retailers

4 retailers$4,695 SGD to $6,664 SGD

B+
Cheapest Retailer
-
$4,695 SGD
B
Retailer 2
-
$5,219 SGD
View
B
Retailer 3
-
$6,422 SGD
View
Most Expensive
B
77 Diamonds
OVMBNU8JVFUT · Nov 7
$6,664 SGD
£4,094 GBP
View
3 more retailers have this diamond
Prices start from $4,695 SGDSave up to $1,970 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.23ct Oval
$4,695 SGD